NSCLC	Non-small cell lung cancer
CT	Computed tomography
LND	Lymph node dissection
MRI	Magnetic resonance imaging
PET	Positron emission tomography
GGO	Ground-glass opacity
CEA	Carcinoembryonic antigen
C/T ratio	consolidation-tumor ratio
ROC curve	Receiver operating characteristic curve
IQR	Interquartile range